import java.util.LinkedList;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: WHY
 * Date: 2022-11-24
 * Time: 21:31
 */
public class TestDemo {
    public static void main(String[] args) {
        LinkedList<Integer> linkedList = new LinkedList<>();
        int a=10;
        Integer  b=10;//自动装箱
        Integer  integer=Integer.valueOf(a);//显示装箱
        Integer  val2=new Integer(a);//显示装箱

        System.out.println(b);
    }
}
